Engraved Gem Inset Into a Ring; Signed by Apelles, Greek, active about 100 - 1 B.C.; Rome, Italy, Lazio, Europe; 25 - 1 B.C.; Gold; carnelian; Object (gem, approx.): H: 1.9 x W: 1.5 cm (3/4 x 9/16 in.), Object (hoop, greatest extent): Diam.: 3.4 cm (